CN105871444A - Mobile phone antenna multiplexing method and system - Google Patents

Mobile phone antenna multiplexing method and system Download PDF

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Publication number
CN105871444A
CN105871444A CN201610158041.2A CN201610158041A CN105871444A CN 105871444 A CN105871444 A CN 105871444A CN 201610158041 A CN201610158041 A CN 201610158041A CN 105871444 A CN105871444 A CN 105871444A
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CN
China
Prior art keywords
antenna
switch
pole double
spdt
diversity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610158041.2A
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Chinese (zh)
Inventor
朱德才
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LeTV Mobile Intelligent Information Technology Beijing Co Ltd
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LeTV Mobile Intelligent Information Technology Beijing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LeTV Mobile Intelligent Information Technology Beijing Co Ltd filed Critical LeTV Mobile Intelligent Information Technology Beijing Co Ltd
Priority to CN201610158041.2A priority Critical patent/CN105871444A/en
Publication of CN105871444A publication Critical patent/CN105871444A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a mobile phone antenna multiplexing method and system. According to the mobile phone antenna multiplexing method and system, loss is reduced, and design is simple. The mobile phone antenna multiplexing method disclosed by the embodiment of the invention comprises the steps of placing a first single-pole double-throw switch between a diversity antenna and a diversity switch; and placing a second single-pole double-throw switch between a master antenna and a master switch.

Description

A kind of antenna for mobile phone multiplexing method and system
Technical field
The present invention relates to smart mobile phone field, particularly to a kind of antenna for mobile phone multiplexing method and system.
Background technology
The mobile phone terminal of main flow the most all provides Cellular double antenna technology, at the environment of signal difference at present Lower raising receiving sensitivity;Handling capacity is improved in the environment of signal is relatively strong.The introducing of double antenna technology, The flexibility ratio on a lot of use is provided for mobile phone wireless communication.
Fig. 1 show the structural schematic block diagram of the Mobile phone dual-antenna multiplexing that high pass provides.As it is shown in figure 1, Main collection antenna and diversity antenna are connected to one by 1 double-point double-throw switch (DPDT) by Qualcomm Rise, it is achieved that the reciprocity work of two antennas.
This scheme, when implementing, the most generally has two kinds of different schemes.
DPDT is placed near main (dividing) collection antenna by a kind of scheme.Fig. 2 show in prior art Structural representation near DPDT placement and main collection antenna, illustrates as a example by Fig. 2.
Figure it is seen that in this case need a root length transmission line connect respectively diversity antenna with DPDT and DPDT switchs with diversity.
Under the direct-connected state of antenna, main collection antenna, DPDT, the main loss integrated between switch are as loss DPDT, but the loss between diversity antenna, DPDT, diversity switch is loss L1+loss DPDT+loss L2, wherein L1 is the diversity antenna transmission line to DPDT, and L2 is the biography that DPDT switchs from diversity Defeated line.
Under antenna crossing condition, the main loss integrated between antenna, DPDT, diversity switch is as loss DPDT+loss L2;Diversity antenna, DPDT, the main loss integrated between switch are as loss L1+loss DPDT.
Another kind of scheme is to be placed by DPDT and structural representation main, that diversity antenna is middle, such as Fig. 3 Shown in.
In this case, under the direct-connected state of antenna, between main collection antenna, DPDT, main collection switch Loss between loss, and diversity antenna, DPDT, diversity switch is loss L3+loss DPDT+loss L4, wherein L3 is transmission line main, that diversity antenna arrives DPDT respectively, and L4 is DPDT From master, the transmission line of diversity switch.It practice, for a mobile phone model, L3+L4=(L1+L2)/2.
Under antenna crossing condition, the loss between main collection antenna, DPDT, diversity switch, Yi Jifen Loss between collection antenna, DPDT, main collection switch is loss L3+loss DPDT+loss L4.
In addition to the reason in terms of loss, this connect main collection and two skies of diversity by a DPDT The scheme of line, realizes aspect at PCB and there is also certain difficulty.New in view of on current mobile phone Functional requirement increases day by day, and the introducing of various functional modules causes PCB too fat to move unbearably, abundant arrangement space Become day by day to be difficult to meet.
Summary of the invention
Embodiments provide a kind of antenna for mobile phone multiplexing method and system, reduce loss, and set Meter is simple.
A kind of antenna for mobile phone multiplexing method described in the embodiment of the present invention, including:
The first single-pole double-throw switch (SPDT) is placed between diversity antenna and diversity switch;
The second single-pole double-throw switch (SPDT) is placed between main collection antenna and main collection switch.
Wherein, the common port of described first single-pole double-throw switch (SPDT) is connected with diversity antenna, by described first Two ports of single-pole double-throw switch (SPDT) are connected with diversity switch and the second single-pole double-throw switch (SPDT) respectively;And/or
Wherein, the common port of described second single-pole double-throw switch (SPDT) is connected, by described second with main collection switch Two ports of single-pole double-throw switch (SPDT) are connected with main collection antenna and the first single-pole double-throw switch (SPDT) respectively.
A kind of antenna for mobile phone multiplex system described in the embodiment of the present invention, including: main collection antenna, diversity sky Line, main collection switch, diversity switch, still further comprise two single-pole double-throw switch (SPDT)s;
Wherein, described first single-pole double-throw switch (SPDT) is between diversity antenna and diversity switch;Described second Single-pole double-throw switch (SPDT) is between main collection antenna and main collection switch.
Wherein, the common port of described first single-pole double-throw switch (SPDT) is connected with diversity antenna, and two ports are respectively It is connected with diversity switch and the second single-pole double-throw switch (SPDT);And/or
Wherein, the common port of described second single-pole double-throw switch (SPDT) is connected with main collection switch, and two ports are respectively It is connected with main collection antenna and the first single-pole double-throw switch (SPDT).
Utilize the technical scheme of the embodiment of the present invention, when main collection antenna is not substantially interfered with, main collection, Diversity antenna can work simultaneously.Main collection antenna efficiency is caused significantly to deteriorate if owing to the operation such as hold, And diversity antenna is unaffected, now, by the switching of single-pole double-throw switch (SPDT), main collection transmission circuit is cut Change to diversity antenna up, it is achieved single antenna works.
Accompanying drawing explanation
The structural representation of the Mobile phone dual-antenna multiplexing that Fig. 1 provides for high pass in prior art.
Fig. 2 be in prior art DPDT place and main collection antenna near structural representation.
Fig. 3 is that in prior art, DPDT places and structural representation main, that diversity antenna is middle.
The structural representation of the Fig. 4 Mobile phone dual-antenna multiplexing for providing in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that this Specific embodiment described by place is used only for explaining the present invention, is not intended to limit the present invention.
The Mobile phone dual-antenna multiplexing method that the embodiment of the present invention provides, utilizes two single-pole double-throw switch (SPDT)s (SP2T) DPDT of prior art is substituted so that in most cases, the transmission of antenna for mobile phone It is lost less.
The structural representation of the Fig. 4 Mobile phone dual-antenna multiplexing for providing in the embodiment of the present invention.Such as Fig. 4 institute Showing, whole Mobile phone dual-antenna multiplex system includes: main collection antenna, diversity antenna, main collection switch, diversity Switch and two single-pole double-throw switch (SPDT)s.For convenience, two single-pole double-throw switch (SPDT)s are ordered respectively Entitled first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT).
Wherein, the first single-pole double-throw switch (SPDT) is between diversity antenna and diversity switch.First single-pole double throw The common port of switch is connected with diversity antenna, and two ports are opened with diversity switch and the second single-pole double throw respectively Close and connect.
Second single-pole double-throw switch (SPDT) is between main collection antenna and main collection switch.Second single-pole double-throw switch (SPDT) Common port is connected with main collection switch, and two ports connect with main collection antenna and the first single-pole double-throw switch (SPDT) respectively Connect.
Utilize the technical scheme of the embodiment of the present invention, when main collection antenna is not substantially interfered with, main collection, Diversity antenna can work simultaneously.Main collection antenna efficiency is caused significantly to deteriorate if owing to the operation such as hold, And diversity antenna is unaffected, now, by the switching of SP2T, main collection transmission circuit is switched to point Collection antenna is up, it is achieved single antenna works.
In the case of the direct-connected mode of antenna, owing to diversity antenna is the shortest with the spacing of diversity switch, Connecting only by SP2T, its loss is the Insertion Loss of 1 SP2T;Equally, main collection antenna with Loss between main collection switch is also the Insertion Loss of 1 SP2T.Loss from the direct-connected mode of antenna can To find out, the loss in the technical scheme of the embodiment of the present invention is well below prior art.
In the case of antenna interleaved mode, the loss between diversity antenna and main collection switch is 2*loss SP2T+L;Wherein, L be between diversity antenna and a SP2T, a SP2T and second Line length between SP2T, the 2nd SP2T and main collection switch.It practice, when with prior art for During with a mobile phone model, L=L1+L2.It addition, the loss of 2 SP2T is approximately equal to 1 DPDT Loss, therefore, when transposition circuit, the loss in the technical scheme of the embodiment of the present invention is equal to existing There is technology.
The main collector of current phone and antenna are responsible for up-downgoing, diversity circuit and antenna provides reception diversity merit Can, in the case of main antenna suffers severe exacerbation, (mobile phone development is increasingly using particularly at present Metal shell designs, due to use in scene the existence of head hands, i.e. people when using mobile phone, head and hands from Antenna for mobile phone is closer, can affect the efficiency of antenna, can frequently result in antenna performance and there will be tens of dB Moment deteriorate), the embodiment of the present invention provide antenna interleaved mode under, support diversity antenna replaces Main collection antenna, is switched to main collection transmission circuit by diversity antenna, and diversity reception function is disabled, do so It is advantageous in that: it both can solve main collection antenna performance severe exacerbation and cause frequent Special Handle of Drop Question, also might be used To save Insertion Loss, what is more important facilitates PCB layout, simple.
Certainly, although figure does not mark, but either DPDT or the present invention of prior art mention SP2T be required for power supply, simultaneously because either DPDT or SP2T be directed to circuit switching, It is required to 1 control signal wire.
As can be seen here, the technical scheme of the embodiment of the present invention is compared and is had the following advantages with prior art:
1) in the case of antenna is direct-connected, circuit transmission loss is little.
2) on PCB layout, a transmission line is only increased.
For the mobile phone that switching frequency is relatively low, reduce the Insertion Loss of direct mode operation, it is meant that the fall of power consumption Low, the reduction of the difficulty of exploitation, is the most with practical value;Meanwhile, the technology of the embodiment of the present invention Scheme enormously simplify circuit implementations, reduces the demand to arrangement space, can be efficiently against The drawback of high pass scheme, brings considerable income.The foregoing is only presently preferred embodiments of the present invention, Not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of being made, etc. With replacement, improvement etc., should be included within the scope of the present invention.

Claims (4)

1. an antenna for mobile phone multiplexing method, it is characterised in that including:
The first single-pole double-throw switch (SPDT) is placed between diversity antenna and diversity switch;
The second single-pole double-throw switch (SPDT) is placed between main collection antenna and main collection switch.
Method the most according to claim 1, it is characterised in that wherein, by described first hilted broadsword The common port of commutator is connected with diversity antenna, is divided by two ports of described first single-pole double-throw switch (SPDT) It is not connected with diversity switch and the second single-pole double-throw switch (SPDT);And/or
Wherein, the common port of described second single-pole double-throw switch (SPDT) is connected, by described second with main collection switch Two ports of single-pole double-throw switch (SPDT) are connected with main collection antenna and the first single-pole double-throw switch (SPDT) respectively.
3. an antenna for mobile phone multiplex system, including main collection antenna, diversity antenna, main collection switch, divides Collection switch, still further comprises two single-pole double-throw switch (SPDT)s;
Wherein, the first single-pole double-throw switch (SPDT) is between described diversity antenna and described diversity switch;Second Single-pole double-throw switch (SPDT) is between described main collection antenna and described main collection switch.
System the most according to claim 3, wherein, described first single-pole double-throw switch (SPDT) public End is connected with described diversity antenna, and two ports switch and described second single-pole double throw with described diversity respectively Switch connects;And/or
Wherein, the common port of described second single-pole double-throw switch (SPDT) is connected with described main collection switch, two ports It is connected with described main collection antenna and described first single-pole double-throw switch (SPDT) respectively.
CN201610158041.2A 2016-03-18 2016-03-18 Mobile phone antenna multiplexing method and system Pending CN105871444A (en)

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CN201610158041.2A CN105871444A (en) 2016-03-18 2016-03-18 Mobile phone antenna multiplexing method and system

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Application Number Priority Date Filing Date Title
CN201610158041.2A CN105871444A (en) 2016-03-18 2016-03-18 Mobile phone antenna multiplexing method and system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106374990A (en) * 2016-08-25 2017-02-01 珠海市魅族科技有限公司 Antenna system, antenna control method and apparatus, and terminal device
CN113541725A (en) * 2021-09-14 2021-10-22 上海豪承信息技术有限公司 Diversity switch assembly, radio frequency device and communication equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201928508U (en) * 2010-09-21 2011-08-10 华为终端有限公司 Printed circuit board
CN104956597A (en) * 2014-02-19 2015-09-30 华为终端有限公司 Antenna interface circuit, data card, antenna connection control method, and apparatus
CN104969481A (en) * 2014-03-26 2015-10-07 华为终端有限公司 Radio frequency front-end system, signal transmission control method and mobile terminal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201928508U (en) * 2010-09-21 2011-08-10 华为终端有限公司 Printed circuit board
CN104956597A (en) * 2014-02-19 2015-09-30 华为终端有限公司 Antenna interface circuit, data card, antenna connection control method, and apparatus
CN104969481A (en) * 2014-03-26 2015-10-07 华为终端有限公司 Radio frequency front-end system, signal transmission control method and mobile terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106374990A (en) * 2016-08-25 2017-02-01 珠海市魅族科技有限公司 Antenna system, antenna control method and apparatus, and terminal device
CN113541725A (en) * 2021-09-14 2021-10-22 上海豪承信息技术有限公司 Diversity switch assembly, radio frequency device and communication equipment

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Application publication date: 20160817